Job description
Role overview
Join Winamax, a leader in online poker and sports betting with 350,000+ players and 600,000+ bettors monthly. Based in Paris, we’re expanding across Europe and seek a Senior Back-End Developer to drive innovative, high-quality digital experiences. The role focuses on building scalable systems and collaborating in a multicultural, values-driven environment.
We prioritize innovation, unity, and belonging, fostering a tech-focused culture with global reach.
Responsibilities
- Design and develop high-performance back-end systems for online gaming platforms
- Integrate RESTful APIs and microservices with a focus on scalability and reliability
- Collaborate with cross-functional teams to deliver seamless user experiences
- Optimize application performance and database architecture
- Mentor junior developers and contribute to technical best practices
Requirements
- 4+ years of professional Node.js back-end development experience
- Expertise in building and maintaining RESTful APIs and microservices
- Proficiency in JavaScript, TypeScript, and modern framework ecosystems
- Strong understanding of cloud platforms (AWS, Azure, or GCP)
- Experience with database systems (MongoDB, PostgreSQL, or similar)
Benefits
- Competitive salary with performance-based bonuses
- Flexible work arrangements and professional development budget
- Comprehensive health and wellness benefits
- Opportunities for international project collaboration
Keywords
Node.jsBack-End DevelopmentRESTful APIsCloud ComputingJavaScriptMicroservicesDatabase DesignAPI IntegrationPerformance OptimizationScalable Systems